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patchsets (devmem among them) did not make it in time.
Core & protocols
----------------
- Use local_lock in addition to local_bh_disable() to protect per-CPU
resources in networking, a step closer for local_bh_disable() not
to act as a big lock on PREEMPT_RT.
- Use flex array for netdevice priv area, ensure its cache alignment.
- Add a sysctl knob to allow user to specify a default rto_min at socket
init time. Bit of a big hammer but multiple companies were
independently carrying such patch downstream so clearly it's useful.
- Support scheduling transmission of packets based on CLOCK_TAI.
- Un-pin TCP TIMEWAIT timer to avoid it firing on CPUs later cordoned off
using cpusets.
- Support multiple L2TPv3 UDP tunnels using the same 5-tuple address.
- Allow configuration of multipath hash seed, to both allow synchronizing
hashing of two routers, and preventing partial accidental sync.
- Improve TCP compliance with RFC 9293 for simultaneous connect().
- Support sending NAT keepalives in IPsec ESP in UDP states. Userspace
IKE daemon had to do this before, but the kernel can better keep
track of it.
- Support sending supervision HSR frames with MAC addresses stored in
ProxyNodeTable when RedBox (i.e. HSR-SAN) is enabled.
- Introduce IPPROTO_SMC for selecting SMC when socket is created.
- Allow UDP GSO transmit from devices with no checksum offload.
- openvswitch: add packet sampling via psample, separating the sampled
traffic from "upcall" packets sent to user space for forwarding.
- nf_tables: shrink memory consumption for transaction objects.
Things we sprinkled into general kernel code
--------------------------------------------
- Power Sequencing subsystem (used by Qualcomm Bluetooth driver
for QCA6390).
- Add IRQ information in sysfs for auxiliary bus.
- Introduce guard definition for local_lock.
- Add aligned flavor of __cacheline_group_{begin, end}() markings for
grouping fields in structures.
BPF
---
- Notify user space (via epoll) when a struct_ops object is getting
detached/unregistered.
- Add new kfuncs for a generic, open-coded bits iterator.
- Enable BPF programs to declare arrays of kptr, bpf_rb_root, and
bpf_list_head.
- Support resilient split BTF which cuts down on duplication and makes
BTF as compact as possible WRT BTF from modules.
- Add support for dumping kfunc prototypes from BTF which enables both
detecting as well as dumping compilable prototypes for kfuncs.
- riscv64 BPF JIT improvements in particular to add 12-argument support
for BPF trampolines and to utilize bpf_prog_pack for the latter.
- Add the capability to offload the netfilter flowtable in XDP layer
through kfuncs.
Driver API
----------
- Allow users to configure IRQ tresholds between which automatic IRQ
moderation can choose.
- Expand Power Sourcing (PoE) status with power, class and failure
reason. Support setting power limits.
- Track additional RSS contexts in the core, make sure configuration
changes don't break them.
- Support IPsec crypto offload for IPv6 ESP and IPv4 UDP-encapsulated ESP
data paths.
- Support updating firmware on SFP modules.
Tests and tooling
-----------------
- mptcp: use net/lib.sh to manage netns.
- TCP-AO and TCP-MD5: replace debug prints used by tests with
tracepoints.
- openvswitch: make test self-contained (don't depend on OvS CLI tools).
Drivers
-------
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- increase the max total outstanding PTP TX packets to 4
- add timestamping statistics support
- implement netdev_queue_mgmt_ops
- support new RSS context API
- Intel (100G, ice, idpf):
- implement FEC statistics and dumping signal quality indicators
- support E825C products (with 56Gbps PHYs)
- nVidia/Mellanox:
- support HW-GRO
- mlx4/mlx5: support per-queue statistics via netlink
- obey the max number of EQs setting in sub-functions
- AMD/Solarflare:
- support new RSS context API
- AMD/Pensando:
- ionic: rework fix for doorbell miss to lower overhead
and skip it on new HW
- Wangxun:
- txgbe: support Flow Director perfect filters
- Ethernet NICs consumer, embedded and virtual:
- Add driver for Tehuti Networks TN40xx chips
- Add driver for Meta's internal NIC chips
- Add driver for Ethernet MAC on Airoha EN7581 SoCs
- Add driver for Renesas Ethernet-TSN devices
- Google cloud vNIC:
- flow steering support
- Microsoft vNIC:
- support page sizes other than 4KB on ARM64
- vmware vNIC:
- support latency measurement (update to version 9)
- VirtIO net:
- support for Byte Queue Limits
- support configuring thresholds for automatic IRQ moderation
- support for AF_XDP Rx zero-copy
- Synopsys (stmmac):
- support for STM32MP13 SoC
- let platforms select the right PCS implementation
- TI:
- icssg-prueth: add multicast filtering support
- icssg-prueth: enable PTP timestamping and PPS
- Renesas:
- ravb: improve Rx performance 30-400% by using page pool,
theaded NAPI and timer-based IRQ coalescing
- ravb: add MII support for R-Car V4M
- Cadence (macb):
- macb: add ARP support to Wake-On-LAN
- Cortina:
- use phylib for RX and TX pause configuration
- Ethernet switches:
- nVidia/Mellanox:
- support configuration of multipath hash seed
- report more accurate max MTU
- use page_pool to improve Rx performance
- MediaTek:
- mt7530: add support for bridge port isolation
- Qualcomm:
- qca8k: add support for bridge port isolation
- Microchip:
- lan9371/2: add 100BaseTX PHY support
- NXP:
- vsc73xx: implement VLAN operations
- Ethernet PHYs:
- aquantia: enable support for aqr115c
- aquantia: add support for PHY LEDs
- realtek: add support for rtl8224 2.5Gbps PHY
- xpcs: add memory-mapped device support
- add BroadR-Reach link mode and support in Broadcom's PHY driver
- CAN:
- add document for ISO 15765-2 protocol support
- mcp251xfd: workaround for erratum DS80000789E, use timestamps
to catch when device returns incorrect FIFO status
- WiFi:
- mac80211/cfg80211:
- parse Transmit Power Envelope (TPE) data in mac80211 instead of
in drivers
- improvements for 6 GHz regulatory flexibility
- multi-link improvements
- support multiple radios per wiphy
- remove DEAUTH_NEED_MGD_TX_PREP flag
- Intel (iwlwifi):
- bump FW API to 91 for BZ/SC devices
- report 64-bit radiotap timestamp
- enable P2P low latency by default
- handle Transmit Power Envelope (TPE) advertised by AP
- remove support for older FW for new devices
- fast resume (keeping the device configured)
- mvm: re-enable Multi-Link Operation (MLO)
- aggregation (A-MSDU) optimizations
- MediaTek (mt76):
- mt7925 Multi-Link Operation (MLO) support
- Qualcomm (ath10k):
- LED support for various chipsets
- Qualcomm (ath12k):
- remove unsupported Tx monitor handling
- support channel 2 in 6 GHz band
- support Spatial Multiplexing Power Save (SMPS) in 6 GHz band
- supprt multiple BSSID (MBSSID) and Enhanced Multi-BSSID
Advertisements (EMA)
- support dynamic VLAN
- add panic handler for resetting the firmware state
- DebugFS support for datapath statistics
- WCN7850: support for Wake on WLAN
- Microchip (wilc1000):
- read MAC address during probe to make it visible to user space
- suspend/resume improvements
- TI (wl18xx):
- support newer firmware versions
- RealTek (rtw89):
- preparation for RTL8852BE-VT support
- Wake on WLAN support for WiFi 6 chips
- 36-bit PCI DMA support
- RealTek (rtlwifi):
- RTL8192DU support
- Broadcom (brcmfmac):
- Management Frame Protection support (to enable WPA3)
- Bluetooth:
- qualcomm: use the power sequencer for QCA6390
- btusb: mediatek: add ISO data transmission functions
- hci_bcm4377: add BCM4388 support
- btintel: add support for BlazarU core
- btintel: add support for Whale Peak2
- btnxpuart: add support for AW693 A1 chipset
- btnxpuart: add support for IW615 chipset
- btusb: add Realtek RTL8852BE support ID 0x13d3:0x3591
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Not much excitement - a handful of large patchsets (devmem among them)
did not make it in time.
Core & protocols:
- Use local_lock in addition to local_bh_disable() to protect per-CPU
resources in networking, a step closer for local_bh_disable() not
to act as a big lock on PREEMPT_RT
- Use flex array for netdevice priv area, ensure its cache alignment
- Add a sysctl knob to allow user to specify a default rto_min at
socket init time. Bit of a big hammer but multiple companies were
independently carrying such patch downstream so clearly it's useful
- Support scheduling transmission of packets based on CLOCK_TAI
- Un-pin TCP TIMEWAIT timer to avoid it firing on CPUs later cordoned
off using cpusets
- Support multiple L2TPv3 UDP tunnels using the same 5-tuple address
- Allow configuration of multipath hash seed, to both allow
synchronizing hashing of two routers, and preventing partial
accidental sync
- Improve TCP compliance with RFC 9293 for simultaneous connect()
- Support sending NAT keepalives in IPsec ESP in UDP states.
Userspace IKE daemon had to do this before, but the kernel can
better keep track of it
- Support sending supervision HSR frames with MAC addresses stored in
ProxyNodeTable when RedBox (i.e. HSR-SAN) is enabled
- Introduce IPPROTO_SMC for selecting SMC when socket is created
- Allow UDP GSO transmit from devices with no checksum offload
- openvswitch: add packet sampling via psample, separating the
sampled traffic from "upcall" packets sent to user space for
forwarding
- nf_tables: shrink memory consumption for transaction objects
Things we sprinkled into general kernel code:
- Power Sequencing subsystem (used by Qualcomm Bluetooth driver for
QCA6390) [ Already merged separately - Linus ]
- Add IRQ information in sysfs for auxiliary bus
- Introduce guard definition for local_lock
- Add aligned flavor of __cacheline_group_{begin, end}() markings for
grouping fields in structures
BPF:
- Notify user space (via epoll) when a struct_ops object is getting
detached/unregistered
- Add new kfuncs for a generic, open-coded bits iterator
- Enable BPF programs to declare arrays of kptr, bpf_rb_root, and
bpf_list_head
- Support resilient split BTF which cuts down on duplication and
makes BTF as compact as possible WRT BTF from modules
- Add support for dumping kfunc prototypes from BTF which enables
both detecting as well as dumping compilable prototypes for kfuncs
- riscv64 BPF JIT improvements in particular to add 12-argument
support for BPF trampolines and to utilize bpf_prog_pack for the
latter
- Add the capability to offload the netfilter flowtable in XDP layer
through kfuncs
Driver API:
- Allow users to configure IRQ tresholds between which automatic IRQ
moderation can choose
- Expand Power Sourcing (PoE) status with power, class and failure
reason. Support setting power limits
- Track additional RSS contexts in the core, make sure configuration
changes don't break them
- Support IPsec crypto offload for IPv6 ESP and IPv4 UDP-encapsulated
ESP data paths
- Support updating firmware on SFP modules
Tests and tooling:
- mptcp: use net/lib.sh to manage netns
- TCP-AO and TCP-MD5: replace debug prints used by tests with
tracepoints
- openvswitch: make test self-contained (don't depend on OvS CLI
tools)
Drivers:
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- increase the max total outstanding PTP TX packets to 4
- add timestamping statistics support
- implement netdev_queue_mgmt_ops
- support new RSS context API
- Intel (100G, ice, idpf):
- implement FEC statistics and dumping signal quality indicators
- support E825C products (with 56Gbps PHYs)
- nVidia/Mellanox:
- support HW-GRO
- mlx4/mlx5: support per-queue statistics via netlink
- obey the max number of EQs setting in sub-functions
- AMD/Solarflare:
- support new RSS context API
- AMD/Pensando:
- ionic: rework fix for doorbell miss to lower overhead and
skip it on new HW
- Wangxun:
- txgbe: support Flow Director perfect filters
- Ethernet NICs consumer, embedded and virtual:
- Add driver for Tehuti Networks TN40xx chips
- Add driver for Meta's internal NIC chips
- Add driver for Ethernet MAC on Airoha EN7581 SoCs
- Add driver for Renesas Ethernet-TSN devices
- Google cloud vNIC:
- flow steering support
- Microsoft vNIC:
- support page sizes other than 4KB on ARM64
- vmware vNIC:
- support latency measurement (update to version 9)
- VirtIO net:
- support for Byte Queue Limits
- support configuring thresholds for automatic IRQ moderation
- support for AF_XDP Rx zero-copy
- Synopsys (stmmac):
- support for STM32MP13 SoC
- let platforms select the right PCS implementation
- TI:
- icssg-prueth: add multicast filtering support
- icssg-prueth: enable PTP timestamping and PPS
- Renesas:
- ravb: improve Rx performance 30-400% by using page pool,
theaded NAPI and timer-based IRQ coalescing
- ravb: add MII support for R-Car V4M
- Cadence (macb):
- macb: add ARP support to Wake-On-LAN
- Cortina:
- use phylib for RX and TX pause configuration
- Ethernet switches:
- nVidia/Mellanox:
- support configuration of multipath hash seed
- report more accurate max MTU
- use page_pool to improve Rx performance
- MediaTek:
- mt7530: add support for bridge port isolation
- Qualcomm:
- qca8k: add support for bridge port isolation
- Microchip:
- lan9371/2: add 100BaseTX PHY support
- NXP:
- vsc73xx: implement VLAN operations
- Ethernet PHYs:
- aquantia: enable support for aqr115c
- aquantia: add support for PHY LEDs
- realtek: add support for rtl8224 2.5Gbps PHY
- xpcs: add memory-mapped device support
- add BroadR-Reach link mode and support in Broadcom's PHY driver
- CAN:
- add document for ISO 15765-2 protocol support
- mcp251xfd: workaround for erratum DS80000789E, use timestamps to
catch when device returns incorrect FIFO status
- WiFi:
- mac80211/cfg80211:
- parse Transmit Power Envelope (TPE) data in mac80211 instead
of in drivers
- improvements for 6 GHz regulatory flexibility
- multi-link improvements
- support multiple radios per wiphy
- remove DEAUTH_NEED_MGD_TX_PREP flag
- Intel (iwlwifi):
- bump FW API to 91 for BZ/SC devices
- report 64-bit radiotap timestamp
- enable P2P low latency by default
- handle Transmit Power Envelope (TPE) advertised by AP
- remove support for older FW for new devices
- fast resume (keeping the device configured)
- mvm: re-enable Multi-Link Operation (MLO)
- aggregation (A-MSDU) optimizations
- MediaTek (mt76):
- mt7925 Multi-Link Operation (MLO) support
- Qualcomm (ath10k):
- LED support for various chipsets
- Qualcomm (ath12k):
- remove unsupported Tx monitor handling
- support channel 2 in 6 GHz band
- support Spatial Multiplexing Power Save (SMPS) in 6 GHz band
- supprt multiple BSSID (MBSSID) and Enhanced Multi-BSSID
Advertisements (EMA)
- support dynamic VLAN
- add panic handler for resetting the firmware state
- DebugFS support for datapath statistics
- WCN7850: support for Wake on WLAN
- Microchip (wilc1000):
- read MAC address during probe to make it visible to user space
- suspend/resume improvements
- TI (wl18xx):
- support newer firmware versions
- RealTek (rtw89):
- preparation for RTL8852BE-VT support
- Wake on WLAN support for WiFi 6 chips
- 36-bit PCI DMA support
- RealTek (rtlwifi):
- RTL8192DU support
- Broadcom (brcmfmac):
- Management Frame Protection support (to enable WPA3)
- Bluetooth:
- qualcomm: use the power sequencer for QCA6390
- btusb: mediatek: add ISO data transmission functions
- hci_bcm4377: add BCM4388 support
- btintel: add support for BlazarU core
- btintel: add support for Whale Peak2
- btnxpuart: add support for AW693 A1 chipset
- btnxpuart: add support for IW615 chipset
- btusb: add Realtek RTL8852BE support ID 0x13d3:0x3591"
* tag 'net-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1589 commits)
eth: fbnic: Fix spelling mistake "tiggerring" -> "triggering"
tcp: Replace strncpy() with strscpy()
wifi: ath12k: fix build vs old compiler
tcp: Don't access uninit tcp_rsk(req)->ao_keyid in tcp_create_openreq_child().
eth: fbnic: Write the TCAM tables used for RSS control and Rx to host
eth: fbnic: Add L2 address programming
eth: fbnic: Add basic Rx handling
eth: fbnic: Add basic Tx handling
eth: fbnic: Add link detection
eth: fbnic: Add initial messaging to notify FW of our presence
eth: fbnic: Implement Rx queue alloc/start/stop/free
eth: fbnic: Implement Tx queue alloc/start/stop/free
eth: fbnic: Allocate a netdevice and napi vectors with queues
eth: fbnic: Add FW communication mechanism
eth: fbnic: Add message parsing for FW messages
eth: fbnic: Add register init to set PCIe/Ethernet device config
eth: fbnic: Allocate core device specific structures and devlink interface
eth: fbnic: Add scaffolding for Meta's NIC driver
PCI: Add Meta Platforms vendor ID
net/sched: cls_flower: propagate tca[TCA_OPTIONS] to NL_REQ_ATTR_CHECK
...
This kselftest next update for Linux 6.11-rc1 consists of:
-- changes to resctrl test to cleanup resctrl_val() and
generalize it by removing test name specific handling
from the function.
-- several clang build failure fixes to framework and tests
-- adds tests to verify IFS (In Field Scan) driver functionality
-- cleanups to remove unused variables and document changes
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Merge tag 'linux_kselftest-next-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
- change resctrl test to cleanup resctrl_val() and generalize it by
removing test name specific handling from the function.
- several clang build failure fixes to framework and tests
- add tests to verify IFS (In Field Scan) driver functionality
- cleanups to remove unused variables and document changes
* tag 'linux_kselftest-next-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (33 commits)
selftests: ifs: verify IFS ARRAY BIST functionality
selftests: ifs: verify IFS scan test functionality
selftests: ifs: verify test image loading functionality
selftests: ifs: verify test interfaces are created by the driver
selftests/dma:remove unused variable
selftests/breakpoints:Remove unused variable
selftests/x86: fix printk warnings reported by clang
selftests/x86: remove (or use) unused variables and functions
selftests/x86: avoid -no-pie warnings from clang during compilation
selftests/x86: build sysret_rip.c with clang
selftests/x86: build fsgsbase_restore.c with clang
selftests: x86: test_FISTTP: use fisttps instead of ambiguous fisttp
selftests/x86: fix Makefile dependencies to work with clang
selftests/timers: remove unused irqcount variable
selftests: Add information about TAP conformance in tests
selftests/resctrl: Remove test name comparing from write_bm_pid_to_resctrl()
selftests/resctrl: Remove mongrp from CMT test
selftests/resctrl: Remove mongrp from MBA test
selftests/resctrl: Convert ctrlgrp & mongrp to pointers
selftests/resctrl: Make some strings passed to resctrlfs functions const
...
- Fix bug that caused objtool to confuse certain memory ops
added by KASAN instrumentation as stack accesses
- Various faddr2line optimizations
- Improve error messages
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-core-2024-07-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
- Fix bug that caused objtool to confuse certain memory ops added by
KASAN instrumentation as stack accesses
- Various faddr2line optimizations
- Improve error messages
* tag 'objtool-core-2024-07-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool/x86: objtool can confuse memory and stack access
objtool: Use "action" in error message to be consistent with help
scripts/faddr2line: Check only two symbols when calculating symbol size
scripts/faddr2line: Remove call to addr2line from find_dir_prefix()
scripts/faddr2line: Invoke addr2line as a single long-running process
scripts/faddr2line: Pass --addresses argument to addr2line
scripts/faddr2line: Check vmlinux only once
scripts/faddr2line: Combine three readelf calls into one
scripts/faddr2line: Reduce number of readelf calls to three
- Add Loongson-3 CPUFreq driver support (Huacai Chen).
- Add support for the Arrow Lake and Lunar Lake platforms and
the out-of-band (OOB) mode on Emerald Rapids to the intel_pstate
cpufreq driver, make it support the highest performance change
interrupt and clean it up (Srinivas Pandruvada).
- Switch cpufreq to new Intel CPU model defines (Tony Luck).
- Simplify the cpufreq driver interface by switching the .exit() driver
callback to the void return data type (Lizhe, Viresh Kumar).
- Make cpufreq_boost_enabled() return bool (Dhruva Gole).
- Add fast CPPC support to the amd-pstate cpufreq driver, address
multiple assorted issues in it and clean it up (Perry Yuan, Mario
Limonciello, Dhananjay Ugwekar, Meng Li, Xiaojian Du).
- Add Allwinner H700 speed bin to the sun50i cpufreq driver (Ryan
Walklin).
- Fix memory leaks and of_node_put() usage in the sun50i and qcom-nvmem
cpufreq drivers (Javier Carrasco).
- Clean up the sti and dt-platdev cpufreq drivers (Jeff Johnson,
Raphael Gallais-Pou).
- Fix deferred probe handling in the TI cpufreq driver and wrong return
values of ti_opp_supply_probe(), and add OPP tables for the AM62Ax and
AM62Px SoCs to it (Bryan Brattlof, Primoz Fiser).
- Avoid overflow of target_freq in .fast_switch() in the SCMI cpufreq
driver (Jagadeesh Kona).
- Use dev_err_probe() in every error path in probe in the Mediatek
cpufreq driver (Nícolas Prado).
- Fix kernel-doc param for longhaul_setstate in the longhaul cpufreq
driver (Yang Li).
- Fix system resume handling in the CPPC cpufreq driver (Riwen Lu).
- Improve the teo cpuidle governor and clean up leftover comments from
the menu cpuidle governor (Christian Loehle).
- Clean up a comment typo in the teo cpuidle governor (Atul Kumar
Pant).
- Add missing MODULE_DESCRIPTION() macro to cpuidle haltpoll (Jeff
Johnson).
- Switch the intel_idle driver to new Intel CPU model defines (Tony
Luck).
- Switch the Intel RAPL driver new Intel CPU model defines (Tony Luck).
- Simplify if condition in the idle_inject driver (Thorsten Blum).
- Fix missing cleanup on error in _opp_attach_genpd() (Viresh Kumar).
- Introduce an OF helper function to inform if required-opps is used
and drop a redundant in-parameter to _set_opp_level() (Ulf Hansson).
- Update pm-graph to v5.12 which includes fixes and major code revamp
for python3.12 (Todd Brandt).
- Address several assorted issues in the cpupower utility (Roman
Storozhenko).
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Merge tag 'pm-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add a new cpufreq driver for Loongson-3, add support for new
features in the intel_pstate (Lunar Lake and Arrow Lake platforms, OOB
mode for Emerald Rapids, highest performance change interrupt),
amd-pstate (fast CPPC) and sun50i (Allwinner H700 speed bin) cpufreq
drivers, simplify the cpufreq driver interface, simplify the teo
cpuidle governor, adjust the pm-graph utility for a new version of
Python, address issues and clean up code.
Specifics:
- Add Loongson-3 CPUFreq driver support (Huacai Chen)
- Add support for the Arrow Lake and Lunar Lake platforms and the
out-of-band (OOB) mode on Emerald Rapids to the intel_pstate
cpufreq driver, make it support the highest performance change
interrupt and clean it up (Srinivas Pandruvada)
- Switch cpufreq to new Intel CPU model defines (Tony Luck)
- Simplify the cpufreq driver interface by switching the .exit()
driver callback to the void return data type (Lizhe, Viresh Kumar)
- Make cpufreq_boost_enabled() return bool (Dhruva Gole)
- Add fast CPPC support to the amd-pstate cpufreq driver, address
multiple assorted issues in it and clean it up (Perry Yuan, Mario
Limonciello, Dhananjay Ugwekar, Meng Li, Xiaojian Du)
- Add Allwinner H700 speed bin to the sun50i cpufreq driver (Ryan
Walklin)
- Fix memory leaks and of_node_put() usage in the sun50i and
qcom-nvmem cpufreq drivers (Javier Carrasco)
- Clean up the sti and dt-platdev cpufreq drivers (Jeff Johnson,
Raphael Gallais-Pou)
- Fix deferred probe handling in the TI cpufreq driver and wrong
return values of ti_opp_supply_probe(), and add OPP tables for the
AM62Ax and AM62Px SoCs to it (Bryan Brattlof, Primoz Fiser)
- Avoid overflow of target_freq in .fast_switch() in the SCMI cpufreq
driver (Jagadeesh Kona)
- Use dev_err_probe() in every error path in probe in the Mediatek
cpufreq driver (Nícolas Prado)
- Fix kernel-doc param for longhaul_setstate in the longhaul cpufreq
driver (Yang Li)
- Fix system resume handling in the CPPC cpufreq driver (Riwen Lu)
- Improve the teo cpuidle governor and clean up leftover comments
from the menu cpuidle governor (Christian Loehle)
- Clean up a comment typo in the teo cpuidle governor (Atul Kumar
Pant)
- Add missing MODULE_DESCRIPTION() macro to cpuidle haltpoll (Jeff
Johnson)
- Switch the intel_idle driver to new Intel CPU model defines (Tony
Luck)
- Switch the Intel RAPL driver new Intel CPU model defines (Tony
Luck)
- Simplify if condition in the idle_inject driver (Thorsten Blum)
- Fix missing cleanup on error in _opp_attach_genpd() (Viresh Kumar)
- Introduce an OF helper function to inform if required-opps is used
and drop a redundant in-parameter to _set_opp_level() (Ulf Hansson)
- Update pm-graph to v5.12 which includes fixes and major code revamp
for python3.12 (Todd Brandt)
- Address several assorted issues in the cpupower utility (Roman
Storozhenko)"
* tag 'pm-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (77 commits)
cpufreq: sti: fix build warning
cpufreq: mediatek: Use dev_err_probe in every error path in probe
cpufreq: Add Loongson-3 CPUFreq driver support
cpufreq: Make cpufreq_driver->exit() return void
cpufreq/amd-pstate: Fix the scaling_max_freq setting on shared memory CPPC systems
cpufreq/amd-pstate-ut: Convert nominal_freq to khz during comparisons
cpufreq: pcc: Remove empty exit() callback
cpufreq: loongson2: Remove empty exit() callback
cpufreq: nforce2: Remove empty exit() callback
cpupower: fix lib default installation path
cpufreq: docs: Add missing scaling_available_frequencies description
cpuidle: teo: Don't count non-existent intercepts
cpupower: Disable direct build of the 'bench' subproject
cpuidle: teo: Remove recent intercepts metric
Revert: "cpuidle: teo: Introduce util-awareness"
cpufreq: make cpufreq_boost_enabled() return bool
cpufreq: intel_pstate: Support highest performance change interrupt
x86/cpufeatures: Add HWP highest perf change feature flag
Documentation: cpufreq: amd-pstate: update doc for Per CPU boost control method
cpufreq: amd-pstate: Cap the CPPC.max_perf to nominal_perf if CPB is off
...
- interrupt SECCOMP_IOCTL_NOTIF_RECV when all users exit (Andrei Vagin)
- Update selftests to check for expected NOTIF_RECV exits (Andrei Vagin)
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Merge tag 'seccomp-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull seccomp updates from Kees Cook:
- interrupt SECCOMP_IOCTL_NOTIF_RECV when all users exit (Andrei Vagin)
- Update selftests to check for expected NOTIF_RECV exits (Andrei
Vagin)
* tag 'seccomp-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
selftests/seccomp: check that a zombie leader doesn't affect others
selftests/seccomp: add test for NOTIF_RECV and unused filters
seccomp: release task filters when the task exits
seccomp: interrupt SECCOMP_IOCTL_NOTIF_RECV when all users have exited
- Use value of kernel.randomize_va_space once per exec (Alexey Dobriyan)
- Honor PT_LOAD alignment for static PIE
- Make bprm->argmin only visible under CONFIG_MMU
- Add KUnit testing of bprm_stack_limits()
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Merge tag 'execve-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull execve updates from Kees Cook:
- Use value of kernel.randomize_va_space once per exec (Alexey
Dobriyan)
- Honor PT_LOAD alignment for static PIE
- Make bprm->argmin only visible under CONFIG_MMU
- Add KUnit testing of bprm_stack_limits()
* tag 'execve-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
exec: Avoid pathological argc, envc, and bprm->p values
execve: Keep bprm->argmin behind CONFIG_MMU
ELF: fix kernel.randomize_va_space double read
exec: Add KUnit test for bprm_stack_limits()
binfmt_elf: Honor PT_LOAD alignment for static PIE
binfmt_elf: Calculate total_size earlier
selftests/exec: Build both static and non-static load_address tests
Most of this is part of my ongoing work to clean up the system call
tables. In this bit, all of the newer architectures are converted to
use the machine readable syscall.tbl format instead in place of complex
macros in include/uapi/asm-generic/unistd.h.
This follows an earlier series that fixed various API mismatches
and in turn is used as the base for planned simplifications.
The other two patches are dead code removal and a warning fix.
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Merge tag 'asm-generic-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"Most of this is part of my ongoing work to clean up the system call
tables. In this bit, all of the newer architectures are converted to
use the machine readable syscall.tbl format instead in place of
complex macros in include/uapi/asm-generic/unistd.h.
This follows an earlier series that fixed various API mismatches and
in turn is used as the base for planned simplifications.
The other two patches are dead code removal and a warning fix"
* tag 'asm-generic-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
vmlinux.lds.h: catch .bss..L* sections into BSS")
fixmap: Remove unused set_fixmap_offset_io()
riscv: convert to generic syscall table
openrisc: convert to generic syscall table
nios2: convert to generic syscall table
loongarch: convert to generic syscall table
hexagon: use new system call table
csky: convert to generic syscall table
arm64: rework compat syscall macros
arm64: generate 64-bit syscall.tbl
arm64: convert unistd_32.h to syscall.tbl format
arc: convert to generic syscall table
clone3: drop __ARCH_WANT_SYS_CLONE3 macro
kbuild: add syscall table generation to scripts/Makefile.asm-headers
kbuild: verify asm-generic header list
loongarch: avoid generating extra header files
um: don't generate asm/bpf_perf_event.h
csky: drop asm/gpio.h wrapper
syscalls: add generic scripts/syscall.tbl
environments
- Remove duplicated Spectre cmdline option documentation
- Add separate macro definitions for syscall handlers which do not
return in order to address objtool warnings
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Merge tag 'x86_bugs_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpu mitigation updates from Borislav Petkov:
- Add a spectre_bhi=vmexit mitigation option aimed at cloud
environments
- Remove duplicated Spectre cmdline option documentation
- Add separate macro definitions for syscall handlers which do not
return in order to address objtool warnings
* tag 'x86_bugs_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/bugs: Add 'spectre_bhi=vmexit' cmdline option
x86/bugs: Remove duplicate Spectre cmdline option descriptions
x86/syscall: Mark exit[_group] syscall handlers __noreturn
they're the only ones who can interpret the results properly
- The usual cleanups and fixes, left and right
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Merge tag 'x86_misc_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Borislav Petkov:
- Make error checking of AMD SMN accesses more robust in the callers as
they're the only ones who can interpret the results properly
- The usual cleanups and fixes, left and right
* tag 'x86_misc_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kmsan: Fix hook for unaligned accesses
x86/platform/iosf_mbi: Convert PCIBIOS_* return codes to errnos
x86/pci/xen: Fix PCIBIOS_* return code handling
x86/pci/intel_mid_pci: Fix PCIBIOS_* return code handling
x86/of: Return consistent error type from x86_of_pci_irq_enable()
hwmon: (k10temp) Rename _data variable
hwmon: (k10temp) Remove unused HAVE_TDIE() macro
hwmon: (k10temp) Reduce k10temp_get_ccd_support() parameters
hwmon: (k10temp) Define a helper function to read CCD temperature
x86/amd_nb: Enhance SMN access error checking
hwmon: (k10temp) Check return value of amd_smn_read()
EDAC/amd64: Check return value of amd_smn_read()
EDAC/amd64: Remove unused register accesses
tools/x86/kcpuid: Add missing dir via Makefile
x86, arm: Add missing license tag to syscall tables files
need to "spell out" the number of alternates in an ALTERNATIVE_n() macro and
thus have an ever-increasing complexity in those definitions.
For ease of bisection, the old macros are converted to the new, nested
variants in a step-by-step manner so that in case an issue is encountered
during testing, one can pinpoint the place where it fails easier. Because
debugging alternatives is a serious pain.
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Merge tag 'x86_alternatives_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 alternatives updates from Borislav Petkov:
"This is basically PeterZ's idea to nest the alternative macros to
avoid the need to "spell out" the number of alternates in an
ALTERNATIVE_n() macro and thus have an ever-increasing complexity in
those definitions.
For ease of bisection, the old macros are converted to the new, nested
variants in a step-by-step manner so that in case an issue is
encountered during testing, one can pinpoint the place where it fails
easier.
Because debugging alternatives is a serious pain"
* tag 'x86_alternatives_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/alternatives, kvm: Fix a couple of CALLs without a frame pointer
x86/alternative: Replace the old macros
x86/alternative: Convert the asm ALTERNATIVE_3() macro
x86/alternative: Convert the asm ALTERNATIVE_2() macro
x86/alternative: Convert the asm ALTERNATIVE() macro
x86/alternative: Convert ALTERNATIVE_3()
x86/alternative: Convert ALTERNATIVE_TERNARY()
x86/alternative: Convert alternative_call_2()
x86/alternative: Convert alternative_call()
x86/alternative: Convert alternative_io()
x86/alternative: Convert alternative_input()
x86/alternative: Convert alternative_2()
x86/alternative: Convert alternative()
x86/alternatives: Add nested alternatives macros
x86/alternative: Zap alternative_ternary()
GPIOLIB core:
- rework kfifo handling rework in the character device code
- improve the labeling of GPIOs requested as interrupts and show more info
on interrupt-only GPIOs in debugfs
- remove unused APIs
- unexport interfaces that are only used from the core GPIO code
- drop the return value from gpiochip_set_desc_names() as it cannot fail
- move a string array definition out of a header and into a specific
compilation unit
- convert the last user of gpiochip_get_desc() other than GPIO core to using
a safer alternative
- use array_index_nospec() where applicable
New drivers:
- add a "virtual GPIO consumer" module that allows requesting GPIOs from actual
hardware and driving tests of the in-kernel GPIO API from user-space over
debugfs
- add a GPIO-based "sloppy" logic analyzer module useful for "first glance"
debugging on remote boards
Driver improvements:
- add support for a new model to gpio-pca953x
- lock GPIOs as interrupts in gpio-sim when the lines are requested as irqs
via the simulator domain + some other minor improvements
- improve error reporting in gpio-syscon
- convert gpio-ath79 to using dynamic GPIO base and range
- use pcibios_err_to_errno() for converting PCIBIOS error codes to errno
vaues in gpio-amd8111 and gpio-rdc321x
- allow building gpio-brcmstb for the BCM2835 architecture
DT bindings:
- convert DT bindings for lsi,zevio, mpc8xxx, and atmel to DT schema
- document new properties for aspeed,gpio, fsl,qoriq-gpio and gpio-vf610
- document new compatibles for pca953x and fsl,qoriq-gpio
Documentation:
- document stricter behavior of the GPIO character device uAPI with regards to
reconfiguring requested line without direction set
- clarify the effect of the active-low flag on line values and edges
- remove documentation for the legacy GPIO API in order to stop tempting
people to use it
- document the preference for using pread() for reading edge events in the
sysfs API
Other:
- add an extended initializer to the interrupt simulator allowing to specify
a number of callbacks callers can use to be notified about irqs being
requested and released
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Merge tag 'gpio-updates-for-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"The majority of added lines are two new modules: the GPIO virtual
consumer module that improves our ability to add automated tests for
the kernel API and the "sloppy" logic analyzer module that uses the
GPIO API to implement a coarse-grained debugging tool for useful for
remote development.
Other than that we have the usual assortment of various driver
extensions, improvements to the core GPIO code, DT-bindings and other
documentation updates as well as an extension to the interrupt
simulator:
GPIOLIB core:
- rework kfifo handling rework in the character device code
- improve the labeling of GPIOs requested as interrupts and show more
info on interrupt-only GPIOs in debugfs
- remove unused APIs
- unexport interfaces that are only used from the core GPIO code
- drop the return value from gpiochip_set_desc_names() as it cannot
fail
- move a string array definition out of a header and into a specific
compilation unit
- convert the last user of gpiochip_get_desc() other than GPIO core
to using a safer alternative
- use array_index_nospec() where applicable
New drivers:
- add a "virtual GPIO consumer" module that allows requesting GPIOs
from actual hardware and driving tests of the in-kernel GPIO API
from user-space over debugfs
- add a GPIO-based "sloppy" logic analyzer module useful for "first
glance" debugging on remote boards
Driver improvements:
- add support for a new model to gpio-pca953x
- lock GPIOs as interrupts in gpio-sim when the lines are requested
as irqs via the simulator domain + some other minor improvements
- improve error reporting in gpio-syscon
- convert gpio-ath79 to using dynamic GPIO base and range
- use pcibios_err_to_errno() for converting PCIBIOS error codes to
errno vaues in gpio-amd8111 and gpio-rdc321x
- allow building gpio-brcmstb for the BCM2835 architecture
DT bindings:
- convert DT bindings for lsi,zevio, mpc8xxx, and atmel to DT schema
- document new properties for aspeed,gpio, fsl,qoriq-gpio and
gpio-vf610
- document new compatibles for pca953x and fsl,qoriq-gpio
Documentation:
- document stricter behavior of the GPIO character device uAPI with
regards to reconfiguring requested line without direction set
- clarify the effect of the active-low flag on line values and edges
- remove documentation for the legacy GPIO API in order to stop
tempting people to use it
- document the preference for using pread() for reading edge events
in the sysfs API
Other:
- add an extended initializer to the interrupt simulator allowing to
specify a number of callbacks callers can use to be notified about
irqs being requested and released"
* tag 'gpio-updates-for-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (41 commits)
gpio: mc33880: Convert comma to semicolon
gpio: virtuser: actually use the "trimmed" local variable
dt-bindings: gpio: convert Atmel GPIO to json-schema
gpio: virtuser: new virtual testing driver for the GPIO API
dt-bindings: gpio: vf610: Allow gpio-line-names to be set
gpio: sim: lock GPIOs as interrupts when they are requested
genirq/irq_sim: add an extended irq_sim initializer
dt-bindings: gpio: fsl,qoriq-gpio: Add compatible string fsl,ls1046a-gpio
gpiolib: unexport gpiochip_get_desc()
gpio: add sloppy logic analyzer using polling
Documentation: gpio: Reconfiguration with unset direction (uAPI v2)
Documentation: gpio: Reconfiguration with unset direction (uAPI v1)
dt-bindings: gpio: fsl,qoriq-gpio: add common property gpio-line-names
gpio: ath79: convert to dynamic GPIO base allocation
pinctrl: da9062: replace gpiochip_get_desc() with gpio_device_get_desc()
gpiolib: put gpio_suffixes in a single compilation unit
Documentation: gpio: Clarify effect of active low flag on line edges
Documentation: gpio: Clarify effect of active low flag on line values
gpiolib: Remove data-less gpiochip_add() function
gpio: sim: use devm_mutex_init()
...
* Virtual CPU hotplug support for arm64 ACPI systems
* cpufeature infrastructure cleanups and making the FEAT_ECBHB ID bits
visible to guests
* CPU errata: expand the speculative SSBS workaround to more CPUs
* arm64 ACPI:
- acpi=nospcr option to disable SPCR as default console for arm64
- Move some ACPI code (cpuidle, FFH) to drivers/acpi/arm64/
* GICv3, use compile-time PMR values: optimise the way regular IRQs are
masked/unmasked when GICv3 pseudo-NMIs are used, removing the need for
a static key in fast paths by using a priority value chosen
dynamically at boot time
* arm64 perf updates:
- Rework of the IMX PMU driver to enable support for I.MX95
- Enable support for tertiary match groups in the CMN PMU driver
- Initial refactoring of the CPU PMU code to prepare for the fixed
instruction counter introduced by Arm v9.4
- Add missing PMU driver MODULE_DESCRIPTION() strings
- Hook up DT compatibles for recent CPU PMUs
* arm64 kselftest updates:
- Kernel mode NEON fp-stress
- Cleanups, spelling mistakes
* arm64 Documentation update with a minor clarification on TBI
* Miscellaneous:
- Fix missing IPI statistics
- Implement raw_smp_processor_id() using thread_info rather than a
per-CPU variable (better code generation)
- Make MTE checking of in-kernel asynchronous tag faults conditional
on KASAN being enabled
- Minor cleanups, typos
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
"The biggest part is the virtual CPU hotplug that touches ACPI,
irqchip. We also have some GICv3 optimisation for pseudo-NMIs that has
been queued via the arm64 tree. Otherwise the usual perf updates,
kselftest, various small cleanups.
Core:
- Virtual CPU hotplug support for arm64 ACPI systems
- cpufeature infrastructure cleanups and making the FEAT_ECBHB ID
bits visible to guests
- CPU errata: expand the speculative SSBS workaround to more CPUs
- GICv3, use compile-time PMR values: optimise the way regular IRQs
are masked/unmasked when GICv3 pseudo-NMIs are used, removing the
need for a static key in fast paths by using a priority value
chosen dynamically at boot time
ACPI:
- 'acpi=nospcr' option to disable SPCR as default console for arm64
- Move some ACPI code (cpuidle, FFH) to drivers/acpi/arm64/
Perf updates:
- Rework of the IMX PMU driver to enable support for I.MX95
- Enable support for tertiary match groups in the CMN PMU driver
- Initial refactoring of the CPU PMU code to prepare for the fixed
instruction counter introduced by Arm v9.4
- Add missing PMU driver MODULE_DESCRIPTION() strings
- Hook up DT compatibles for recent CPU PMUs
Kselftest updates:
- Kernel mode NEON fp-stress
- Cleanups, spelling mistakes
Miscellaneous:
- arm64 Documentation update with a minor clarification on TBI
- Fix missing IPI statistics
- Implement raw_smp_processor_id() using thread_info rather than a
per-CPU variable (better code generation)
- Make MTE checking of in-kernel asynchronous tag faults conditional
on KASAN being enabled
- Minor cleanups, typos"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (69 commits)
selftests: arm64: tags: remove the result script
selftests: arm64: tags_test: conform test to TAP output
perf: add missing MODULE_DESCRIPTION() macros
arm64: smp: Fix missing IPI statistics
irqchip/gic-v3: Fix 'broken_rdists' unused warning when !SMP and !ACPI
ACPI: Add acpi=nospcr to disable ACPI SPCR as default console on ARM64
Documentation: arm64: Update memory.rst for TBI
arm64/cpufeature: Replace custom macros with fields from ID_AA64PFR0_EL1
KVM: arm64: Replace custom macros with fields from ID_AA64PFR0_EL1
perf: arm_pmuv3: Include asm/arm_pmuv3.h from linux/perf/arm_pmuv3.h
perf: arm_v6/7_pmu: Drop non-DT probe support
perf/arm: Move 32-bit PMU drivers to drivers/perf/
perf: arm_pmuv3: Drop unnecessary IS_ENABLED(CONFIG_ARM64) check
perf: arm_pmuv3: Avoid assigning fixed cycle counter with threshold
arm64: Kconfig: Fix dependencies to enable ACPI_HOTPLUG_CPU
perf: imx_perf: add support for i.MX95 platform
perf: imx_perf: fix counter start and config sequence
perf: imx_perf: refactor driver for imx93
perf: imx_perf: let the driver manage the counter usage rather the user
perf: imx_perf: add macro definitions for parsing config attr
...
- Added Michal Koutný as a maintainer.
- Counters in pids.events were behaving inconsistently. pids.events made
properly hierarchical and pids.events.local added.
- misc.peak and misc.events.local added.
- cpuset remote partition creation and cpuset.cpus.exclusive handling
improved.
- Code cleanups, non-critical fixes, doc updates.
- for-6.10-fixes is merged in to receive two non-critical fixes that didn't
trigger pull.
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Merge tag 'cgroup-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
- Added Michal Koutný as a maintainer
- Counters in pids.events were behaving inconsistently. pids.events
made properly hierarchical and pids.events.local added
- misc.peak and misc.events.local added
- cpuset remote partition creation and cpuset.cpus.exclusive handling
improved
- Code cleanups, non-critical fixes, doc updates
- for-6.10-fixes is merged in to receive two non-critical fixes that
didn't trigger pull
* tag 'cgroup-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (23 commits)
cgroup: Add Michal Koutný as a maintainer
cgroup/misc: Introduce misc.events.local
cgroup/rstat: add force idle show helper
cgroup: Protect css->cgroup write under css_set_lock
cgroup/misc: Introduce misc.peak
cgroup_misc: add kernel-doc comments for enum misc_res_type
cgroup/cpuset: Prevent UAF in proc_cpuset_show()
selftest/cgroup: Update test_cpuset_prs.sh to match changes
cgroup/cpuset: Make cpuset.cpus.exclusive independent of cpuset.cpus
cgroup/cpuset: Delay setting of CS_CPU_EXCLUSIVE until valid partition
selftest/cgroup: Fix test_cpuset_prs.sh problems reported by test robot
cgroup/cpuset: Fix remote root partition creation problem
cgroup: avoid the unnecessary list_add(dying_tasks) in cgroup_exit()
cgroup/cpuset: Optimize isolated partition only generate_sched_domains() calls
cgroup/cpuset: Reduce the lock protecting CS_SCHED_LOAD_BALANCE
kernel/cgroup: cleanup cgroup_base_files when fail to add cgroup_psi_files
selftests: cgroup: Add basic tests for pids controller
selftests: cgroup: Lexicographic order in Makefile
cgroup/pids: Add pids.events.local
cgroup/pids: Make event counters hierarchical
...
o Fix selftest printf format mismatch in expect_str_buf_eq().
o Stop using brk() and sbrk() when testing against musl, which
implements these two functions with ENOMEM.
o Make tests use -Werror to force failure on compiler warnings.
o Add limits for the {u,}intmax_t, ulong and {u,}llong types.
o Implement strtol() and friends.
o Add facility to skip nolibc-specific tests when running against
non-nolibc libraries.
o Implement strerror().
o Also use strerror() on nolibc when running kselftests.
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Merge tag 'nolibc.2024.07.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull nolibc updates from Paul McKenney:
- Fix selftest printf format mismatch in expect_str_buf_eq()
- Stop using brk() and sbrk() when testing against musl, which
implements these two functions with ENOMEM
- Make tests use -Werror to force failure on compiler warnings
- Add limits for the {u,}intmax_t, ulong and {u,}llong types
- Implement strtol() and friends
- Add facility to skip nolibc-specific tests when running against
non-nolibc libraries
- Implement strerror()
- Also use strerror() on nolibc when running kselftests
* tag 'nolibc.2024.07.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
selftests: kselftest: also use strerror() on nolibc
tools/nolibc: implement strerror()
selftests/nolibc: introduce condition to run tests only on nolibc
tools/nolibc: implement strtol() and friends
tools/nolibc: add limits for {u,}intmax_t, ulong and {u,}llong
selftests/nolibc: run-tests.sh: use -Werror by default
selftests/nolibc: disable brk()/sbrk() tests on musl
selftests/nolibc: fix printf format mismatch in expect_str_buf_eq()
This series contains on commit that improves the documentation for the
new __data_racy type qualifier to the data_race() macro's kernel-doc
header and to the LKMM's access-marking documentation.
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Merge tag 'kcsan.2024.07.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull KCSAN updates from Paul McKenney:
- improve the documentation for the new __data_racy type qualifier
to the data_race() macro's kernel-doc header and to the LKMM's
access-marking documentation
- add missing MODULE_DESCRIPTION
* tag 'kcsan.2024.07.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
kcsan: Add missing MODULE_DESCRIPTION() macro
kcsan: Add example to data_race() kerneldoc header
doc.2024.06.06a: Update Tasks RCU and Tasks Rude RCU description in
Requirements.rst and clarify rcu_assign_pointer() and
rcu_dereference() ordering properties.
fixes.2024.07.04a: Add lockdep assertions for RCU readers, limit inline
wakeups for callback-bypass synchronize_rcu(), add an
rcutree.nohz_full_patience_delay to reduce nohz_full OS jitter,
add Uladzislau Rezki as RCU maintainer, and fix a subtle
callback-migration memory-ordering issue.
mb.2024.06.28a: Remove a number of redundant memory barriers.
nocb.2024.06.03a: Remove unnecessary bypass-list lock-contention
mitigation, use parking API instead of open-coded ad-hoc
equivalent, and upgrade obsolete comments.
rcu-tasks.2024.06.06a: Revert avoidance of a deadlock that can no
longer occur and properly synchronize Tasks Trace RCU checking
of runqueues.
rcutorture.2024.06.06a: Add tests for handling of double-call_rcu()
bug, add missing MODULE_DESCRIPTION, and add a script that
histograms the number of calls to RCU updaters.
srcu.2024.06.18a: Fill out SRCU polled-grace-period API.
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Merge tag 'rcu.2024.07.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU updates from Paul McKenney:
- Update Tasks RCU and Tasks Rude RCU description in Requirements.rst
and clarify rcu_assign_pointer() and rcu_dereference() ordering
properties
- Add lockdep assertions for RCU readers, limit inline wakeups for
callback-bypass synchronize_rcu(), add an
rcutree.nohz_full_patience_delay to reduce nohz_full OS jitter, add
Uladzislau Rezki as RCU maintainer, and fix a subtle
callback-migration memory-ordering issue
- Remove a number of redundant memory barriers
- Remove unnecessary bypass-list lock-contention mitigation, use
parking API instead of open-coded ad-hoc equivalent, and upgrade
obsolete comments
- Revert avoidance of a deadlock that can no longer occur and properly
synchronize Tasks Trace RCU checking of runqueues
- Add tests for handling of double-call_rcu() bug, add missing
MODULE_DESCRIPTION, and add a script that histograms the number of
calls to RCU updaters
- Fill out SRCU polled-grace-period API
* tag 'rcu.2024.07.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (29 commits)
rcu: Fix rcu_barrier() VS post CPUHP_TEARDOWN_CPU invocation
rcu: Eliminate lockless accesses to rcu_sync->gp_count
MAINTAINERS: Add Uladzislau Rezki as RCU maintainer
rcu: Add rcutree.nohz_full_patience_delay to reduce nohz_full OS jitter
rcu/exp: Remove redundant full memory barrier at the end of GP
rcu: Remove full memory barrier on RCU stall printout
rcu: Remove full memory barrier on boot time eqs sanity check
rcu/exp: Remove superfluous full memory barrier upon first EQS snapshot
rcu: Remove superfluous full memory barrier upon first EQS snapshot
rcu: Remove full ordering on second EQS snapshot
srcu: Fill out polled grace-period APIs
srcu: Update cleanup_srcu_struct() comment
srcu: Add NUM_ACTIVE_SRCU_POLL_OLDSTATE
srcu: Disable interrupts directly in srcu_gp_end()
rcu: Disable interrupts directly in rcu_gp_init()
rcu/tree: Reduce wake up for synchronize_rcu() common case
rcu/tasks: Fix stale task snaphot for Tasks Trace
tools/rcu: Add rcu-updaters.sh script
rcutorture: Add missing MODULE_DESCRIPTION() macros
rcutorture: Fix rcu_torture_fwd_cb_cr() data race
...
A simple but odd single-process litmus test acquires and immediately
releases a lock, then calls spin_is_locked(). LKMM acts if it was
a deadlock due to an assumption that spin_is_locked() will follow a
spin_lock() or some other process's spin_unlock(). This litmus test
manages to violate this assumption because the spin_is_locked() follows
the same process's spin_unlock().
This series fixes this bug, reorganizes and optimizes the lock.cat model,
and updates documentation.
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Merge tag 'lkmm.2024.07.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull memory model updates from Paul McKenney:
"lkmm: Fix corner-case locking bug and improve documentation
A simple but odd single-process litmus test acquires and immediately
releases a lock, then calls spin_is_locked(). LKMM acts if it was a
deadlock due to an assumption that spin_is_locked() will follow a
spin_lock() or some other process's spin_unlock(). This litmus test
manages to violate this assumption because the spin_is_locked()
follows the same process's spin_unlock().
This series fixes this bug, reorganizes and optimizes the lock.cat
model, and updates documentation"
* tag 'lkmm.2024.07.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
tools/memory-model: Code reorganization in lock.cat
tools/memory-model: Fix bug in lock.cat
tools/memory-model: Add access-marking.txt to README
tools/memory-model: Add KCSAN LF mentorship session citation
Merge in late fixes to prepare for the 6.11 net-next PR.
Conflicts:
93c3a96c301f ("net: pse-pd: Do not return EOPNOSUPP if config is null")
4cddb0f15ea9 ("net: ethtool: pse-pd: Fix possible null-deref")
30d7b6727724 ("net: ethtool: Add new power limit get and set features")
https://lore.kernel.org/20240715123204.623520bb@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'vfs-6.11.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs mount query updates from Christian Brauner:
"This contains work to extend the abilities of listmount() and
statmount() and various fixes and cleanups.
Features:
- Allow iterating through mounts via listmount() from newest to
oldest. This makes it possible for mount(8) to keep iterating the
mount table in reverse order so it gets newest mounts first.
- Relax permissions on listmount() and statmount().
It's not necessary to have capabilities in the initial namespace:
it is sufficient to have capabilities in the owning namespace of
the mount namespace we're located in to list unreachable mounts in
that namespace.
- Extend both listmount() and statmount() to list and stat mounts in
foreign mount namespaces.
Currently the only way to iterate over mount entries in mount
namespaces that aren't in the caller's mount namespace is by
crawling through /proc in order to find /proc/<pid>/mountinfo for
the relevant mount namespace.
This is both very clumsy and hugely inefficient. So extend struct
mnt_id_req with a new member that allows to specify the mount
namespace id of the mount namespace we want to look at.
Luckily internally we already have most of the infrastructure for
this so we just need to expose it to userspace. Give userspace a
way to retrieve the id of a mount namespace via statmount() and
through a new nsfs ioctl() on mount namespace file descriptor.
This comes with appropriate selftests.
- Expose mount options through statmount().
Currently if userspace wants to get mount options for a mount and
with statmount(), they still have to open /proc/<pid>/mountinfo to
parse mount options. Simply the information through statmount()
directly.
Afterwards it's possible to only rely on statmount() and
listmount() to retrieve all and more information than
/proc/<pid>/mountinfo provides.
This comes with appropriate selftests.
Fixes:
- Avoid copying to userspace under the namespace semaphore in
listmount.
Cleanups:
- Simplify the error handling in listmount by relying on our newly
added cleanup infrastructure.
- Refuse invalid mount ids early for both listmount and statmount"
* tag 'vfs-6.11.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs: reject invalid last mount id early
fs: refuse mnt id requests with invalid ids early
fs: find rootfs mount of the mount namespace
fs: only copy to userspace on success in listmount()
sefltests: extend the statmount test for mount options
fs: use guard for namespace_sem in statmount()
fs: export mount options via statmount()
fs: rename show_mnt_opts -> show_vfsmnt_opts
selftests: add a test for the foreign mnt ns extensions
fs: add an ioctl to get the mnt ns id from nsfs
fs: Allow statmount() in foreign mount namespace
fs: Allow listmount() in foreign mount namespace
fs: export the mount ns id via statmount
fs: keep an index of current mount namespaces
fs: relax permissions for statmount()
listmount: allow listing in reverse order
fs: relax permissions for listmount()
fs: simplify error handling
fs: don't copy to userspace under namespace semaphore
path: add cleanup helper
Merge OPP (operating performance points) and tooling updates for
6.11-rc1:
- Fix missing cleanup on error in _opp_attach_genpd() (Viresh Kumar).
- Introduce an OF helper function to inform if required-opps is used
and drop a redundant in-parameter to _set_opp_level() (Ulf Hansson).
- Update pm-graph to v5.12 which includes fixes and major code revamp
for python3.12 (Todd Brandt).
- Address several assorted issues in the cpupower utility (Roman
Storozhenko).
* pm-opp:
OPP: Introduce an OF helper function to inform if required-opps is used
OPP: Drop a redundant in-parameter to _set_opp_level()
OPP: Fix missing cleanup on error in _opp_attach_genpd()
* pm-tools:
cpupower: fix lib default installation path
cpupower: Disable direct build of the 'bench' subproject
cpupower: Change the var type of the 'monitor' subcommand display mode
cpupower: Remove absent 'v' parameter from monitor man page
cpupower: Improve cpupower build process description
cpupower: Add 'help' target to the main Makefile
cpupower: Replace a dead reference link with working ones
pm-graph: v5.12, code revamp for python3.12
pm-graph: v5.12, fixes
The goal is to check that the source address selected by the kernel is
routable when a leaking route is used. ICMP, TCP and UDP connections are
tested.
The symmetric topology is enough for this test.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240710081521.3809742-5-nicolas.dichtel@6wind.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Lately, an additional locking was added by commit c0a40097f0bc
("drivers: core: synchronize really_probe() and dev_uevent()"). The
locking protects dev_uevent() calling. This function is used to send
messages from the kernel to user space. Uevent messages notify user space
about changes in device states, such as when a device is added, removed,
or changed. These messages are used by udev (or other similar user-space
tools) to apply device-specific rules.
After reloading devlink instance, udev events should be processed. This
locking causes a short delay of udev events handling.
One example for useful udev rule is renaming ports. 'forwading.config'
can be configured to use names after udev rules are applied. Some tests run
devlink_reload() and immediately use the updated names. This worked before
the above mentioned commit was pushed, but now the delay of uevent messages
causes that devlink_reload() returns before udev events are handled and
tests fail.
Adjust devlink_reload() to not assume that udev events are already
processed when devlink reload is done, instead, wait for udev events to
ensure they are processed before returning from the function.
Without this patch:
TESTS='rif_mac_profile' ./resource_scale.sh
TEST: 'rif_mac_profile' 4 [ OK ]
sysctl: cannot stat /proc/sys/net/ipv6/conf/swp1/disable_ipv6: No such file or directory
sysctl: cannot stat /proc/sys/net/ipv6/conf/swp1/disable_ipv6: No such file or directory
sysctl: cannot stat /proc/sys/net/ipv6/conf/swp2/disable_ipv6: No such file or directory
sysctl: cannot stat /proc/sys/net/ipv6/conf/swp2/disable_ipv6: No such file or directory
Cannot find device "swp1"
Cannot find device "swp2"
TEST: setup_wait_dev (: Interface swp1 does not come up.) [FAIL]
With this patch:
$ TESTS='rif_mac_profile' ./resource_scale.sh
TEST: 'rif_mac_profile' 4 [ OK ]
TEST: 'rif_mac_profile' overflow 5 [ OK ]
This is relevant not only for this test.
Fixes: bc7cbb1e9f4c ("selftests: forwarding: Add devlink_lib.sh")
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/89367666e04b38a8993027f1526801ca327ab96a.1720709333.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
It looks like we missed these two errors recently:
- SC2068: Double quote array expansions to avoid re-splitting elements.
- SC2145: Argument mixes string and array. Use * or separate argument.
Two simple fixes, it is not supposed to change the behaviour as the
variable names should not have any spaces in their names. Still, better
to fix them to easily spot new issues.
Fixes: f265d3119a29 ("selftests: mptcp: lib: use setup/cleanup_ns helpers")
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240712-upstream-net-next-20240712-selftests-mptcp-fix-shellcheck-v1-1-1cb7180db40a@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
tcp_ao/self-connect.c checked the following SNMP stats before/after
connect() to confirm that the test exercises the simultaneous connect()
path.
* TCPChallengeACK
* TCPSYNChallenge
But the stats should not be counted for self-connect in the first place,
and the assumption is no longer true.
Let's remove the check.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Dmitry Safonov <dima@arista.com>
Link: https://patch.msgid.link/20240710171246.87533-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add install target for vsock to make Yocto easy to install the images.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://patch.msgid.link/20240710122728.45044-1-peng.fan@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
pull-request: bpf-next 2024-07-12
We've added 23 non-merge commits during the last 3 day(s) which contain
a total of 18 files changed, 234 insertions(+), 243 deletions(-).
The main changes are:
1) Improve BPF verifier by utilizing overflow.h helpers to check
for overflows, from Shung-Hsi Yu.
2) Fix NULL pointer dereference in resolve_prog_type() for BPF_PROG_TYPE_EXT
when attr->attach_prog_fd was not specified, from Tengda Wu.
3) Fix arm64 BPF JIT when generating code for BPF trampolines with
BPF_TRAMP_F_CALL_ORIG which corrupted upper address bits,
from Puranjay Mohan.
4) Remove test_run callback from lwt_seg6local_prog_ops which never worked
in the first place and caused syzbot reports,
from Sebastian Andrzej Siewior.
5) Relax BPF verifier to accept non-zero offset on KF_TRUSTED_ARGS/
/KF_RCU-typed BPF kfuncs, from Matt Bobrowski.
6) Fix a long standing bug in libbpf with regards to handling of BPF
skeleton's forward and backward compatibility, from Andrii Nakryiko.
7) Annotate btf_{seq,snprintf}_show functions with __printf,
from Alan Maguire.
8) BPF selftest improvements to reuse common network helpers in sk_lookup
test and dropping the open-coded inetaddr_len() and make_socket() ones,
from Geliang Tang.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (23 commits)
selftests/bpf: Test for null-pointer-deref bugfix in resolve_prog_type()
bpf: Fix null pointer dereference in resolve_prog_type() for BPF_PROG_TYPE_EXT
selftests/bpf: DENYLIST.aarch64: Skip fexit_sleep again
bpf: use check_sub_overflow() to check for subtraction overflows
bpf: use check_add_overflow() to check for addition overflows
bpf: fix overflow check in adjust_jmp_off()
bpf: Eliminate remaining "make W=1" warnings in kernel/bpf/btf.o
bpf: annotate BTF show functions with __printf
bpf, arm64: Fix trampoline for BPF_TRAMP_F_CALL_ORIG
selftests/bpf: Close obj in error path in xdp_adjust_tail
selftests/bpf: Null checks for links in bpf_tcp_ca
selftests/bpf: Use connect_fd_to_fd in sk_lookup
selftests/bpf: Use start_server_addr in sk_lookup
selftests/bpf: Use start_server_str in sk_lookup
selftests/bpf: Close fd in error path in drop_on_reuseport
selftests/bpf: Add ASSERT_OK_FD macro
selftests/bpf: Add backlog for network_helper_opts
selftests/bpf: fix compilation failure when CONFIG_NF_FLOW_TABLE=m
bpf: Remove tst_run from lwt_seg6local_prog_ops.
bpf: relax zero fixed offset constraint on KF_TRUSTED_ARGS/KF_RCU
...
====================
Link: https://patch.msgid.link/20240712212448.5378-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This test verifies that resolve_prog_type() works as expected when
`attach_prog_fd` is not passed in.
`prog->aux->dst_prog` in resolve_prog_type() is assigned by
`attach_prog_fd`, and would be NULL if `attach_prog_fd` is not provided.
Loading EXT prog with bpf_dynptr_from_skb() kfunc call in this way will
lead to null-pointer-deref.
Verify that the null-pointer-deref bug in resolve_prog_type() is fixed.
Signed-off-by: Tengda Wu <wutengda@huaweicloud.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20240711145819.254178-3-wutengda@huaweicloud.com
Revert commit 90dc946059b7 ("selftests/bpf: DENYLIST.aarch64: Remove
fexit_sleep") again. The fix in 19d3c179a377 ("bpf, arm64: Fix trampoline
for BPF_TRAMP_F_CALL_ORIG") does not address all of the issues and BPF
CI is still hanging and timing out:
https://github.com/kernel-patches/bpf/actions/runs/9905842936/job/27366435436
[...]
#89/11 fexit_bpf2bpf/func_replace_global_func:OK
#89/12 fexit_bpf2bpf/fentry_to_cgroup_bpf:OK
#89/13 fexit_bpf2bpf/func_replace_progmap:OK
#89 fexit_bpf2bpf:OK
Error: The operation was canceled.
Thus more investigation work & fixing is needed before the test can be put
in place again.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Puranjay Mohan <puranjay@kernel.org>
Link: https://lore.kernel.org/bpf/20240705145009.32340-1-puranjay@kernel.org
There are a couple of places where the test script "sleep"s to wait for
some external condition to be met.
This is error prone, specially in slow systems (identified in CI by
"KSFT_MACHINE_SLOW=yes").
To fix this, add a "ovs_wait" function that tries to execute a command
a few times until it succeeds. The timeout used is set to 5s for
"normal" systems and doubled if a slow CI machine is detected.
This should make the following work:
$ vng --build \
--config tools/testing/selftests/net/config \
--config kernel/configs/debug.config
$ vng --run . --user root -- "make -C tools/testing/selftests/ \
KSFT_MACHINE_SLOW=yes TARGETS=net/openvswitch run_tests"
Signed-off-by: Adrian Moreno <amorenoz@redhat.com>
Reviewed-by: Ilya Maximets <i.maximets@ovn.org>
Link: https://patch.msgid.link/20240710090500.1655212-1-amorenoz@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Cross-merge networking fixes after downstream PR.
Conflicts:
net/sched/act_ct.c
26488172b029 ("net/sched: Fix UAF when resolving a clash")
3abbd7ed8b76 ("act_ct: prepare for stolen verdict coming from conntrack and nat engine")
No adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The run_tags_test.sh script is used to run tags_test and print out if
the test succeeded or failed. As tags_test has been TAP conformed, this
script is unneeded and hence can be removed.
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240602132502.4186771-2-usama.anjum@collabora.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Conform the layout, informational and status messages to TAP. No
functional change is intended other than the layout of output messages.
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240602132502.4186771-1-usama.anjum@collabora.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
There are two selftest scenarios for ARRAY BIST(Board Integrated System
Test) tests:
1. Perform IFS ARRAY BIST tests once on each CPU.
2. Perform IFS ARRAY BIST tests on a random CPU with 3 rounds.
These are not meant to be exhaustive, but are some minimal tests for
for checking IFS ARRAY BIST.
Reviewed-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Co-developed-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Pengfei Xu <pengfei.xu@intel.com>
Acked-by: Jithu Joseph <jithu.joseph@intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Two selftests are added to verify IFS scan test feature:
1. Perform IFS scan test once on each CPU using all the available image
files.
2. Perform IFS scan test with the default image on a random cpu for 3
rounds.
Reviewed-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Co-developed-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Pengfei Xu <pengfei.xu@intel.com>
Acked-by: Jithu Joseph <jithu.joseph@intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Scan test image files have to be loaded before starting IFS test.
Verify that In Field scan driver is able to load valid test image files.
Also check if loading an invalid test image file fails.
Reviewed-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Co-developed-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Pengfei Xu <pengfei.xu@intel.com>
Acked-by: Jithu Joseph <jithu.joseph@intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
IFS (In Field Scan) driver exposes its functionality via sysfs interfaces.
Applications prepare and exercise the tests by interacting with the
aforementioned sysfs files.
Verify that the necessary sysfs entries are created after loading the IFS
driver.
Initialize test variables needed for building subsequent kself-test cases.
Reviewed-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Co-developed-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Pengfei Xu <pengfei.xu@intel.com>
Acked-by: Jithu Joseph <jithu.joseph@intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The variable are never referenced in the code, just remove it
that this problem was discovered by reading code
Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This variable is never referenced in the code, just remove them
that this problem was discovered by reading the code
Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
These warnings are all of the form, "the format specified a short
(signed or unsigned) int, but the value is a full length int".
Acked-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When building with clang, via:
make LLVM=1 -C tools/testing/selftests
...quite a few functions are variables are generating "unused" warnings.
Fix the warnings by deleting the unused items.
One item, the "nerrs" variable in vsdo_restorer.c's main(), is unused
but probably wants to be returned from main(), as a non-zero result.
That result is also unused right now, so another option would be to
delete it entirely, but this way, main() also gets fixed. It was missing
a return value.
Acked-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When building with clang, via:
make LLVM=1 -C tools/testing/selftests
...clang warns that -no-pie is "unused during compilation".
This occurs because clang only wants to see -no-pie during linking.
Here, we don't have a separate linking stage, so a compiler warning is
unavoidable without (wastefully) restructuring the Makefile.
Avoid the warning by simply disabling that warning, for clang builds.
Acked-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When building with clang, via:
make LLVM=1 -C tools/testing/selftests
...the build fails because clang's inline asm doesn't support all of the
features that are used in the asm() snippet in sysret_rip.c.
Fix this by moving the asm code into the clang_helpers_64.S file, where
it can be built with the assembler's full set of features.
Acked-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When building with clang, via:
make LLVM=1 -C tools/testing/selftests
Fix this by moving the inline asm to "pure" assembly, in two new files:
clang_helpers_32.S, clang_helpers_64.S.
As a bonus, the pure asm avoids the need for ifdefs, and is now very
simple and easy on the eyes.
Acked-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Use fisttps instead of fisttp to specify correctly that the output
variable is of size short.
test_FISTTP.c:28:3: error: ambiguous instructions require an explicit suffix (could be 'fisttps', or 'fisttpl')
28 | " fisttp res16""\n"
| ^
<inline asm>:3:2: note: instantiated into assembly here
3 | fisttp res16
| ^
...followed by three more cases of the same warning for other lines.
[jh: removed a bit of duplication from the warnings report, above, and
fixed a typo in the title]
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When building with clang, via:
make LLVM=1 -C tools/testing/selftests
...the following build failure occurs in selftests/x86:
clang: error: cannot specify -o when generating multiple output files
This happens because, although gcc doesn't complain if you invoke it
like this:
gcc file1.c header2.h
...clang won't accept that form--it rejects the .h file(s). Also, the
above approach is inaccurate anyway, because file.c includes header2.h
in this case, and the inclusion of header2.h on the invocation is an
artifact of the Makefile's desire to maintain dependencies.
In Makefiles of this type, a better way to do it is to use Makefile
dependencies to trigger the appropriate incremental rebuilds, and
separately use file lists (see EXTRA_FILES in this commit) to track what
to pass to the compiler.
This commit splits those concepts up, by setting up both EXTRA_FILES and
the Makefile dependencies with a single call to the new Makefile
function extra-files.
That fixes the build failure, while still providing the correct
dependencies in all cases.
Acked-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When building with clang, via:
make LLVM=1 -C tools/testing/selftest
...clang warns about an unused irqcount variable. clang is correct: the
variable is incremented and then ignored.
Fix this by deleting the irqcount variable.
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Acked-by: John Stultz <jstultz@google.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
write_bm_pid_to_resctrl() uses resctrl_val to check test name which is
not a good interface generic resctrl FS functions should provide.
Tests define mongrp when needed. Remove the test name check in
write_bm_pid_to_resctrl() to only rely on the mongrp parameter being
non-NULL.
Remove write_bm_pid_to_resctrl() resctrl_val parameter and resctrl_val
member from the struct resctrl_val_param that are not used anymore.
Similarly, remove the test name constants that are no longer used.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Tested-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The CMT selftest instantiates a monitor group to read LLC occupancy.
Since the test also creates a control group, it is unnecessary to
create another one for monitoring because control groups already
provide monitoring too.
Remove the unnecessary monitor group from the CMT selftest.
Suggested-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Tested-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Linus Torvalds
Jakub Kicinski
Rafael J. Wysocki
Tejun Heo
Nicolas Dichtel
Amit Cohen
Matthieu Baerts (NGI0)
Kuniyuki Iwashima
Peng Fan
Tengda Wu
Daniel Borkmann
Adrian Moreno
Muhammad Usama Anjum
Pengfei Xu
Zhu Jun
John Hubbard
Ilpo Järvinen